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Finding the Fourth Proportional to 302,554.60, 453,783.30 and 92,143.60

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Solution

The fourth proportional to 302,554.60, 453,783.30 and 92,143.60 is: 138,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,554.60 : 453,783.30 = 92,143.60 : x
  2. Step 2: Convert to fraction form
    302,554.60/453,783.30 = 92,143.60/x
  3. Step 3: Cross multiply
    302,554.60x = 453,783.30 × 92,143.60
  4. Step 4: Simplify right side
    302,554.60x = 41,813,226,881.88
  5. Step 5: Solve for x
    x = 41,813,226,881.88/302,554.60
  6. Step 6: Final answer
    x = 138,200.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.